"crossing at Ciudad Juárez, Chihuahua, and El Paso, Texas. Westward from El Paso–Juárez, it crosses vast tracts of the Chihuahuan and Sonoran deserts to the Colorado River Delta and San Diego–Tijuana, before reaching the Pacific Ocean. Along this border are 23 U.S. counties and 39 Mexican municipalities. Following the Boundary Treaty of 1970 between Mexico and the United States that settled all the pending boundary disputes and uncertainties related to the Rio Grande (Río Bravo del Norte) border, the national continental border extends , excluding the maritime boundaries of in the Pacific Ocean and in the Gulf of Mexico. According"
"United States-Mexican border west from Ciudad Juárez to the Pacific Ocean. Donald Trump made the construction of a border wall (on the U.S. side) an element of his 2016 presidential campaign. On its south, Mexico shares an border with Guatemala and a border with Belize. Mexico is crossed from north to south by two mountain ranges known as Sierra Madre Oriental and Sierra Madre Occidental, which are the extension of the Rocky Mountains from northern North America. From east to west at the center, the country is crossed by the Trans-Mexican Volcanic Belt also known as the Sierra Nevada. A"
"Mexico–United States border The Mexico–United States border () is an international border, nearly 3,100 kilometers long (2,000 miles) separating Mexico and the United States, extending from the Pacific Ocean to the west and Gulf of Mexico to the east. The border traverses a variety of terrains, ranging from urban areas to deserts. The Mexico–US border is the most frequently crossed border in the world, with approximately 350 million documented crossings annually. The total length of the continental border is . From the Gulf of Mexico, it follows the course of the Rio Grande (Río Bravo del Norte) to the border"
"Nueces Strip The Nueces Strip or Wild Horse Desert is the area of south Texas between the Nueces River and the Rio Grande. The Republic of Texas claimed the Rio Grande as its southern border; Mexico claimed the Nueces River ( north of the Rio Grande). The area between the two rivers became known as the Nueces Strip. Both countries invaded it, but neither controlled it nor settled it. It was the scene of the first fighting in the Mexican–American War in 1846. In the Treaty of Guadalupe Hidalgo, signed in 1848, Mexico ceded the Nueces Strip to the U.S."
"a rule that all foreign citizens that plan to stay in the country for more than seven days or are travelling on business will have to pay a 330 peso (21 dollar) fee and show their passport. Mexico–United States border The Mexico–United States border () is an international border, nearly 3,100 kilometers long (2,000 miles) separating Mexico and the United States, extending from the Pacific Ocean to the west and Gulf of Mexico to the east. The border traverses a variety of terrains, ranging from urban areas to deserts. The Mexico–US border is the most frequently crossed border in the"
"border of the Gran Desierto de Altar of Sonora, Mexico. The Lechuguilla Desert lies to the east-northeast of the connected ranges, Gila Mountains, and north of the Tinajas Altas Mountains, which extend southeast into north Sonora. To the west and southwest of the two ranges lies the Yuma Desert. The Tule Desert (Arizona) lies east of the Lechuguilla, and the Cabeza Prieta Mountains; all three deserts are at the northwest perimeter of the great desert, the Gran Desierto de Altar, and the Pinacate Peaks volcanic field region. Lechuguilla Desert The Lechuguilla Desert is a small desert located in southwestern Arizona"
"Mexico. The northernmost are the Sierra del Burro and the Sierra del Carmen which reach the border with the United States at the Rio Grande. North of the Rio Grande, the range continues northwestward into Texas and beyond as the Davis and Guadalupe Ranges. Mexico's Gulf Coastal Plain lies to the east of the range, between the mountains and the Gulf of Mexico coast. The Mexican Plateau, which averages in elevation, lies between the Sierra Madre Oriental and the Sierra Madre Occidental further west. The climate of the Sierra Madre Oriental is drier than the rainforest areas further south. The"
"the southeastern border of California, and the western 2/3 of southern Arizona. Rainfall averages between 4–12 inches per year, and the desert's most widely known inhabitant is the saguaro cactus, which is unique to the desert. It is bounded on the northwest by the Mojave Desert, to the north by the Colorado Plateau and to the east by the Arizona Mountains forests and the Chihuahuan Desert. Aside from the trademark saguaro, the desert has the most diverse plant life of any desert in the world, and includes many other species of cacti, including the organ-pipe, senita, prickly pear, barrel, fishhook,"
"fertile lands along the rivers in both countries. The Rio Grande frequently meanders along the Texas–Mexico border. As a result, the United States and Mexico have a treaty by which the Rio Grande is maintained as the border, with new cut-offs and islands being transferred to the other nation as necessary. The U.S. states along the border, from west to east, are California, Arizona, New Mexico, and Texas. The Mexican states along the border are Baja California, Sonora, Chihuahua, Coahuila, Nuevo León, and Tamaulipas. Among the U.S. states, Texas has the longest stretch of the border with Mexico, while California"
"Chihuahuan Desert The Chihuahuan Desert () is a desert and ecoregion designation covering parts of northern Mexico and the southwestern United States. It occupies much of West Texas, parts of the middle and lower Rio Grande Valley and the lower Pecos Valley in New Mexico, and a portion of southeastern Arizona, as well as the central and northern portions of the Mexican Plateau. It is bordered on the west by the extensive Sierra Madre Occidental range, along with northwestern lowlands of the Sierra Madre Oriental range. On the Mexican side, it covers a large portion of the state of Chihuahua,"
"Border Field State Park Border Field State Park is a state park of California, United States, containing beach and coastal habitat on the Mexico–United States border. The park is within the city limits of Imperial Beach in San Diego County, next to the suburb of Playas de Tijuana in Mexico. It is the southernmost point in the state of California. Immediately adjacent is the monument marking the Initial Point of Boundary Between U.S. and Mexico. The Treaty of Guadalupe Hidalgo was concluded on February 2, 1848, officially ending the war between the United States and Mexico. It provided that the"
"associated with the ""Altar Valley"". On maps of Arizona, in the Altar Valley region, the United States-Mexico border changes direction to the northwest to end at the Colorado River at Yuma, Arizona. This change in border direction mostly follows a water divide change, separating drainage basins from each country; there are minor regional exceptions along the border to Yuma and the California border. Southern Arizona's desert waters flow north-northwest mostly ultimately ending at the Gila River which starts in extreme southwestern New Mexico and ends at Yuma, bordering California. Mexico's border drainage is into the Gran Desierto de Altar, with"
"Norte (known as the Rio Grande in the United States) defines the border from Ciudad Juárez east to the Gulf of Mexico. A series of natural and artificial markers delineate the United States-Mexican border west from Ciudad Juárez to the Pacific Ocean. The Mexico-U.S. boundary is jointly administered by the International Boundary and Water Commission. On its south, Mexico shares an 871 kilometer border with Guatemala and a 251-kilometer border with Belize. Mexico has a 9,330 kilometer coastline, of which 7,338 kilometers face the Pacific Ocean and the Gulf of California, and the remaining 2,805 kilometers front the Gulf of"
"Cedar Mountain Range The Cedar Mountain Range is a short 20 mi (32 km) long, mountain range in southwest Luna County, New Mexico, USA, just north of the Mexico-United States border with Chihuahua. The range lies in the northwest Chihuahuan Desert and the extreme northwest end of the range lies in southeast Grant County. It is here that the Continental Divide of the Americas crosses the range, turns northwest, then west, and south at the north perimeter of the north-south Playas Valley. The continental divide continues south into Mexico on the western perimeter of the Playas Valley, through three mountain"
"Cedar Mountain Range The Cedar Mountain Range is a short 20 mi (32 km) long, mountain range in southwest Luna County, New Mexico, USA, just north of the Mexico-United States border with Chihuahua. The range lies in the northwest Chihuahuan Desert and the extreme northwest end of the range lies in southeast Grant County. It is here that the Continental Divide of the Americas crosses the range, turns northwest, then west, and south at the north perimeter of the north-south Playas Valley. The continental divide continues south into Mexico on the western perimeter of the Playas Valley, through three mountain"
"northern and western areas, and the Rio Grande, running in the east, north to south. Formed approximately 8000 years ago, the Chihuahuan Desert is a relatively dry desert, although it is slightly wetter than the Sonoran Desert to the west. The Chihuahuan Desert spreads across the southeastern portion of the region, covering from southeastern Arizona, across southern New Mexico, and the portion of Texas included in the Southwest. While it is the second largest desert in the United States, only a third of the desert is within the United States, with the rest in Mexico. El Paso is the major"
"United States Boundary Commissioner Article V of the TREATY OF PEACE, FRIENDSHIP, LIMITS, AND SETTLEMENT BETWEEN THE UNITED STATES OF AMERICA AND THE UNITED MEXICAN STATES CONCLUDED AT GUADALUPE HIDALGO (known commonly as the Treaty of Guadalupe Hidalgo ) declared that the new boundary between the two republics of the United States and Mexico would lay ""three leagues from land, opposite the mouth of the Rio Grande, otherwise called Rio Bravo del Norte, or Opposite the mouth of its deepest branch, if it should have more than one branch emptying directly into the sea; from thence up the middle of"
"Continental Divide Trail The Continental Divide National Scenic Trail (in short Continental Divide Trail (CDT)) is a United States National Scenic Trail running between Mexico and Canada. It follows the Continental Divide of the Americas along the Rocky Mountains and traverses five U.S. states — Montana, Idaho, Wyoming, Colorado, and New Mexico. In Montana it crosses Triple Divide Pass (near Triple Divide Peak which separates the Hudson Bay, Atlantic Ocean and Pacific Ocean drainages.) The trail is a combination of dedicated trails and small roads and considered 70% complete. Portions designated as uncompleted must be traveled by roadwalking on dirt"
"the border with Guatemala in the Montañas del Oriente region of the state. Although most of the jungle outside the reserve has been partially or completely destroyed and damage continues inside the reserve, the Lacandon is still the largest montane rainforest in North America and one of the last ones left large enough to support jaguars. It contains 1,500 tree species, 33% of all Mexican bird species, 25% of all Mexican animal species, 44% of all Mexican diurnal butterflies and 10% of all Mexico's fish species. Mexico is home to 50 species of pine (about half of pine species) and"
"Mexican Plateau The Central Mexican Plateau, also known as the Mexican Altiplano (), is a large arid-to-semiarid plateau that occupies much of northern and central Mexico. Averaging above sea level, it extends from the United States border in the north to the Trans-Mexican Volcanic Belt in the south, and is bounded by the and to the west and east, respectively. A low east-west mountain range in the state of Zacatecas divides the plateau into northern and southern sections. These two sections, called the Northern Plateau () and Central Plateau (), are now generally regarded by geographers as sections of one"
"collaboration with the government of the State of Sonora's IMADES agency. Facts about the reserve: Pinacate Peaks The Pinacate Peaks (Sierra Pinacate, ) are a group of volcanic peaks and cinder cones located mostly in the Mexican state of Sonora along the international border adjacent to the U.S. state of Arizona, surrounded by the vast sand dune field of the Gran Desierto de Altar, at the desert's southeast. The Spanish name for the ""Pinacate Peaks"" geographic feature is the Sierra Pinacate, which is used in their homeland of Mexico. The Pinacate Peaks lie just north of the fishing resort of"
"Next Door: Land of Black Volcanoes and White Sands,"" which opened February 26, 2011 and closed in January 2013. Much of the Sonoran Desert lies south of the Arizona border in Mexico. This vast expanse and its diverse wildlife is the focus of this exhibition, which included wall murals depicting the vast contrasting dark “moon-scape” volcanic fields and bright seas of sand dunes. Visitors were able to learn about the geology, flora, and fauna of this region though photographs and interactive components. The exhibition was based on the book ""Land of Black Volcanoes and White Sands, The Pinacate and Gran"
"Painted Desert. The desert extends in an arc-shape, paralleling the northwest–by–southeast lineage of the Mogollon Rim, but turns due-north, east of Flagstaff, Arizona, on the east border of the San Francisco volcanic field region, as the Little Colorado River turns north, then northwest to enter the Grand Canyon region. This arc-shaped desert surrounds the south and west border of Black Mesa, the Monument Valley to the north, and the Defiance Plateau to the southeast. The southeast also has a perimeter of the Puerco River which flows southwestwards out of New Mexico and merges into the Little Colorado River. The caprock"
"by the abandoned Fortuna Mine, before finally reaching the small community of Fortuna Foothills, Arizona. The trail follows the Mexico–United States border very closely for most of its length. To transit the entire trail, a permit is required from the Cabeza Prieta National Wildlife Refuge office in Ajo. El Camino del Diablo El Camino del Diablo (Spanish, meaning ""The Devil's Highway"") is a historic road that currently extends through some of the most remote and arid terrain of the Sonoran Desert in Pima County and Yuma County, Arizona. In use for at least 1,000 years, El Camino del Diablo is"
"Border apprehensions in 2010 were at their lowest level since 1972. In December 2016 apprehensions were at 58,478, whereas in March 2017, there were 17,000 apprehensions, which was the fifth month in a row of decline. The 1,954-mile (3,145 km) border between the United States and Mexico traverses a variety of terrains, including urban areas and deserts. The barrier is located on both urban and uninhabited sections of the border, areas where the most concentrated numbers of illegal crossings and drug trafficking have been observed in the past. These urban areas include San Diego, California and El Paso, Texas. As"
"Baja California Desert The Baja California Desert is a desert ecoregion of Mexico's Baja California Peninsula. This ecoregion occupies the western portion of the Baja California peninsula, and occupies most of the Mexican states of Baja California Sur and Baja California. It covers 77,700 square kilometers (30,000 square miles). The climate is dry, but the close proximity of the Pacific Ocean provides humidity and moderates the temperature. The flora mostly consists of xeric shrubs and over 500 species of recorded vascular plants. The ecoregion covers 77,700 square kilometers (30,000 square miles) and includes most of the Peninsula's western slope. It"
"brush scrub, blackbush scrub, Joshua tree woodland, yucca, cacti, and some grasses. Wildlife is also typical for the Mojave Desert; including coyote, black-tailed jackrabbits, ground squirrels, kangaroo rats, quail, roadrunners, rattlesnakes and several species of lizards. The southern tip of the wilderness provides critical habitat for the desert tortoise. Mesquite Mountains The Mesquite Mountains are a mountain range in eastern San Bernardino County, California, near the border with Nevada. They are north of Interstate 15 in California and southeast of Death Valley. The North Mesquite Mountains Wilderness Area consists of the broad western end of Sandy Valley and the northern"
"Mojave Desert The Mojave Desert ( ) is an arid rain-shadow desert and the driest desert in North America. It is in the southwestern United States, primarily within southeastern California and southern Nevada, and it occupies . Very small areas also extend into Utah and Arizona. Its boundaries are generally noted by the presence of Joshua trees, which are native only to the Mojave Desert and are considered an indicator species, and it is believed to support an additional 1,750 to 2,000 species of plants. The central part of the desert is sparsely populated, while its peripheries support large communities"
"northern section of Continental Divide Trail. MWA staff are working to connect the of CDT in Montana and Idaho with the help of dedicated volunteers and agency partners. Map Resources Continental Divide Trail The Continental Divide National Scenic Trail (in short Continental Divide Trail (CDT)) is a United States National Scenic Trail running between Mexico and Canada. It follows the Continental Divide of the Americas along the Rocky Mountains and traverses five U.S. states — Montana, Idaho, Wyoming, Colorado, and New Mexico. In Montana it crosses Triple Divide Pass (near Triple Divide Peak which separates the Hudson Bay, Atlantic Ocean"
"Small portions of the park often become flooded and are inaccessible to the public. New border fences have also taken small portions of the park away. Border Field State Park Border Field State Park is a state park of California, United States, containing beach and coastal habitat on the Mexico–United States border. The park is within the city limits of Imperial Beach in San Diego County, next to the suburb of Playas de Tijuana in Mexico. It is the southernmost point in the state of California. Immediately adjacent is the monument marking the Initial Point of Boundary Between U.S. and"
"A permit is required for all backroad travel on the Navajo Nation. Painted Desert (Arizona) The Painted Desert is a United States desert of badlands in the Four Corners area running from near the east end of Grand Canyon National Park and southeast into Petrified Forest National Park. It is most easily accessed in the north portion of Petrified Forest National Park. The Painted Desert is known for its brilliant and varied colors, that not only include the more common red rock, but even shades of lavender. The Painted Desert was named by an expedition under Francisco Vázquez de Coronado"
"Sonora is divided into 72 municipalities. Sonora's border with the United States is long, and runs through desert and mountains, from the western Chihuahuan Desert, through an area of grasslands and oak mountain areas to the Sonoran Desert west of Nogales. The area gets drier from here west and the last third of the border is generally uninhabited. There are six official border crossings. From east to west these at Agua Prieta, Naco, Nogales, Sasabe, Sonoyta and San Luis Río Colorado. In populated areas, much of the border is marked by corrugated metal walls, but most of the rest is"
"the subtropical Bajío dry forests occupying the lower portions of the Lerma–Río Grande de Santiago basin. Higher altitudes are covered by Mixed Forests, then Temperate Coniferous Forests, up to the snow line in the top of the volcanoes that surround the southern and western edges. Mexican Plateau The Central Mexican Plateau, also known as the Mexican Altiplano (), is a large arid-to-semiarid plateau that occupies much of northern and central Mexico. Averaging above sea level, it extends from the United States border in the north to the Trans-Mexican Volcanic Belt in the south, and is bounded by the and to"